TL:DR; PDFLock - A developer dll for setting all security options, main- and user-password, encryption type .
PDFLock - A developer dll for setting all security options, main- and user-password, encryption type ... Royalty free! Easy to use! For all well known IDEs (.NET, too!).
VisioForge Media Player SDK allows programmers to easily integrate video, audio and DVD playback into their software applications. It also allows you to draw overlay bitmap and text over the video with effects.
Creates virtual COM ports directly from your own programs and fully control them! Provide interaction between serial communications applications and your program! OEM license allows you to distribute this ActiveX control as a part of your software
TN Bridge Integration Pack is a set of components and productivity tools to extend and take advantage of already developed screen-oriented host applications. It provides full connectivity to IBM S/390 and AS/400 systems through Telnet protocol.